ZocDoc

 From the ZocDoc About Us page: 

"With ZocDoc, you can see doctors’ open appointment times and book instantly online – no more phone calls, and no more month-long waits. But better access to care was just the start.

Trying to find a neighborhood physician who meets your needs? With ZocDoc, it’s as simple as it should be. You can also make informed choices with verified reviews, stay on top of important checkups with tailored reminders, and more. And those pesky waiting room forms? Fill them out online – just once – and you can use them over and over again.

Of course, your healthcare experience probably isn’t perfect yet. That’s why ZocDoc will keep dreaming solutions up and rolling them out. But no matter what, our mission will remain the same: give power to the patient. We simply believe there’s no better way to deliver the great healthcare experience we all deserve."